/Engine/Source/Editor/SkeletonEditor/Public/SkeletonTreeBuilder.h
Create an item for a virtual bone
[TSharedRef](API\Runtime\Core\Templates\TSharedRef)< class [ISkeletonTreeItem](API\Editor\SkeletonEditor\ISkeletonTreeItem) > CreateVirtualBoneTreeItem ( const [FName](API\Runtime\Core\UObject\FName) & InBoneName )